But there are also some benefits to spending a few hours on MW3, fragging your friends. According to research gathered by OnlineUniversities.com, video games can have positive effects on the brain, including strengthening memory and learning, improving the ability to reason and solve problems, and sharpening eye-hand coordination.

Does that mean you should skip the gym and the Sunday crossword puzzle to find better living through gaming? Not entirely. Because when it comes to the effects on your brain, video games are still a Good vs. Evil battle.